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56167906 = 228083953
BaseRepresentation
bin1101011001000…
…0110111100010
310220200121212211
43112100313202
5103334333111
65323512334
71251263554
oct326206742
9126617784
1056167906
1129783863
12169886aa
13b837962
1476614d4
154de7521
hex3590de2

56167906 has 4 divisors (see below), whose sum is σ = 84251862. Its totient is φ = 28083952.

The previous prime is 56167897. The next prime is 56167913. The reversal of 56167906 is 60976165.

56167906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60976165 = 512195233.

It can be written as a sum of positive squares in only one way, i.e., 41796225 + 14371681 = 6465^2 + 3791^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14041975 + ... + 14041978.

Almost surely, 256167906 is an apocalyptic number.

56167906 is a deficient number, since it is larger than the sum of its proper divisors (28083956).

56167906 is a wasteful number, since it uses less digits than its factorization.

56167906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28083955.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 56167906 is about 7494.5250683416. The cubic root of 56167906 is about 382.9682272020.

The spelling of 56167906 in words is "fifty-six million, one hundred sixty-seven thousand, nine hundred six".

Divisors: 1 2 28083953 56167906